[% FOREACH year IN data.keys.sort %] [% FOREACH class IN data.$year.keys.sort %] [% FOREACH sub-class IN data.$year.$class.keys.sort %] [% FOREACH element IN data.$year.$class.$sub-class.keys.sort %] [%END%] [%END%] [%END%] [%END%]

Year [% year %]
spacer	Class [% class %]
spacer		Sub-Class [% sub-class %]
[% data.$year.$class.$sub-class.$element %]